Operating The Sd 2000 Humidifier Controller; Available Controller Types - Carel SD Installation & Maintenance Manual

SD

10. Operating The SD 2000 Humidifier Controller

The SD 2000 controllers all have the same general display and keypad as shown below. Initially, the CDC and CDP
controllers default to display of the amperage, while the CDH and CDD controllers default to display of the relative
humidity. Some indicators are simply for display while others blink and can be modified.
Parameter
Max Production
Set Point (%RH)
Differential (%RH)
High Limit Alarm (%RH)
Low Limit Alarm (%RH)
Type of Drain

10.1. Available Controller Types

CDC 303: control is ON-OFF. The controller has an external dry contact input coming from any ON-OFF external
controller. The only selectable parameter is the maximum steam production.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. LCD Display
11. Actual current (Amps) displayed
12. Selected maximum steam output displayed
13. Configuration displayed
14. Selected differential
15. Water filling
16. Water draining
17. Manual drain button
18.
Valve
30%-100% of kg steam output
0-100
1-19
0-100
0-100
Cd or Td
17
Relative humidity or temperature displayed
Fill water conductivity displayed
Alarm condition active
Selected set point value
Humidification ON
Alarm condition
Reset button (press to reset alarms)
Selection button (press to move cursor in display)
Parameter increase button
Parameter decrease button
Default Setting
70% of kg steam output
Carel USA
50
4
80
20
Cd